feat: 添加基准测试基础设施

tests/stress/array.js

@@ -0,0 +1,11 @@
+var ITERATIONS = 50000;
+
+var arr = [];
+for (var i = 0; i < ITERATIONS; i++) {
+  arr.push(i);
+}
+var sum = 0;
+while (arr.length > 0) {
+  sum += arr.pop();
+}
+sum

tests/stress/call.js

@@ -0,0 +1,7 @@
+var ITERATIONS = 200;
+
+function sumTo(n) {
+  if (n <= 0) return 0;
+  return n + sumTo(n - 1);
+}
+sumTo(ITERATIONS)

tests/stress/code_forge.js

@@ -0,0 +1,6 @@
+var ITERATIONS = 5000;
+
+for (var i = 0; i < ITERATIONS; i++) {
+  eval("var x" + i + " = " + i + "; x" + i + " + 1");
+}
+1

tests/stress/coercion.js

@@ -0,0 +1,7 @@
+var ITERATIONS = 50000;
+
+var sum = 0;
+for (var i = 0; i < ITERATIONS; i++) {
+  sum += (+"42") + (+"3.14") + (+"0");
+}
+sum

tests/stress/gc.js

@@ -0,0 +1,8 @@
+var ITERATIONS = 100000;
+
+var sum = 0;
+for (var i = 0; i < ITERATIONS; i++) {
+  var obj = { x: i, y: i * 2, nested: { a: 1, b: 2 } };
+  sum += obj.x + obj.y;
+}
+sum

tests/stress/ic_cache.js

@@ -0,0 +1,13 @@
+var ITERATIONS = 10000;
+
+var objs = [];
+for (var i = 0; i < ITERATIONS; i++) {
+  objs.push({ x: i });
+  if (i % 3 === 0) objs[i].y = i;
+  if (i % 5 === 0) objs[i].z = i;
+}
+var sum = 0;
+for (var i = 0; i < ITERATIONS; i++) {
+  sum += objs[i].x;
+}
+sum

tests/stress/property.js

@@ -0,0 +1,11 @@
+var ITERATIONS = 10000;
+
+var obj = {};
+for (var i = 0; i < ITERATIONS; i++) {
+  obj["key" + i] = i;
+}
+var sum = 0;
+for (var i = 0; i < ITERATIONS; i++) {
+  sum += obj["key" + i];
+}
+sum

tests/stress/string.js

@@ -0,0 +1,7 @@
+var ITERATIONS = 10000;
+
+var s = "";
+for (var i = 0; i < ITERATIONS; i++) {
+  s += "a" + i;
+}
+s.length